18
APV_DA4_UK-1_102018.indd
UK
Double Seat Mix Proof Valve
APV DELTA DA4
Instruction Manual: UK - rev. 1
APV
10. Maintenance
Note!
The maintenance intervals are different depending on the
application and must be determined by the operator performing
regular checks.
- Compressed air is not required to remove the valve.
Caution!
Do not clean the valve with products containing abrasive or
polishing substances. Abrasive and polishing agents are especially
harmful to the upper and lower shaft.
Required tools for standard maintenance:
- 1 x wrench SW13, SW24, SW30, SW32
- 2 x wrench SW17
- 1 x Allen key SW3, SW6
- disassembly and assembly tool for lower shaft seal, see page 24
- assembly tool for middle seal, see page 25
- For valve maintenance SPX FLOW offers complete seal kits (see
spare parts lists).
Caution!
The use of seal materials being compatible with the product,
application and CIP liquids must be ensured. In case of doubt,
contact your local SPX FLOW representative.
- For seal replacement instructions, see pages 20 and 21.
- Provide all seals with a thin layer of grease before their installation!
Recommendation:
Assembly grease for EPDM, HNBR and FPM (Viton)
0,75 kg/tin - ref.-No. 000 70-01-019/93; H147382
60 g/tube - ref.-No. 000 70-01-018/93; H147381
- Provide all screws and threaded parts with grease before their
installation.
Recommendation: Klüber paste UH1 84-201
60 g/Tube - ref.-No. 000 70-01-016/93; H147379
Recommendation for actuator:
Pneumatic grease:
25 ml/tube - ref.-No. 000 70-01-008/93; H164725
- For valve assembly instructions, see page 21.
!
!
!
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